Average problems for SSC CGL Tier 2 Set 27

Submitted by Atanu Chaudhuri on Tue, 22/10/2019 - 16:07

Average questions for SSC CGL Tier 2 Set 27

Average problems for SSC CGL Tier 2 Set 27 to be solved in 12 minutes. Verify correctness from answers. Learn to solve quickly from paired solutions.

Contents are,

10 questions on average for SSC CGL Tier 2 to solve in 12 minutes
Answer to the questions.

Answers and link to the solutions are at the end.

10 average problems for SSC CGL Tier 2 Set 27 - time to solve 12 mins

Problem 1.

The arithmetic mean of the following numbers, 1, 2, 2, 3, 3, 3, 4, 4, 4, 4, 5, 5, 5, 5, 5, 6, 6, 6, 6, 6, 6, and 7, 7, 7, 7, 7, 7, 7 is,

Problem 2.

The mean of 100 items was 46. Later it was found that an item 43 was misread as 34 and a second item 16 was misread as 61. It was also found that the number of items was 90 instead of 100. Then the correct mean must be,

52.7
50.7
50
52

Problem 3.

In a school with 600 students, the average age of the boys is 12 years and that of the girls is 11 years. If the average age of the students in the school is 11 years and 9 months, then the number of girls in the school is,

Problem 4.

Five players of a team are weighed consecutively and their average weight calculated after each player is weighed. If the average weight increases by 1 kg each time, how much heavier is the last player than the first one?

4 kg
5 kg
20 kg
8 kg

Problem 5.

A librarian purchased 60 story books for her library. But later she found that she could get 4 extra books by spending Rs.336 more and then the overall average price per book would be reduced by Rs.1. The previous average price per book (in Rs.) was,

Problem 6.

In a team of 10 persons, 9 persons spent Rs.40 each for their meals and the remaining one spent Rs.9 more than the average expenditure of all the 10 persons. The total expenditure for their meals (in Rs.) was,

510
610
410
310.

Problem 7.

Of the three numbers whose average is 22, the first is, $\displaystyle\frac{3}{8}$th of the sum of the other two. What is the first number?

Problem 8.

The average of three consecutive odd numbers is 52 more than $\displaystyle\frac{1}{3}$rd of the largest one. What is the smallest of the three numbers?

Problem 9.

The average of six numbers is 3.95. The average of two of them is 3.4, while the average of the other two is 3.85. The average of the remaining two numbers is,

Problem 10.

What is the average of all numbers between 100 and 200 which are divisible by 13?

143.5
149.5
147.5
145.5

The answers to the questions are given below, and for detailed quick solutions refer to SSC CGL Tier II level Solution Set 27 Average 1.

Answers to the average problems for SSC CGL Tier 2 Set 27

Problem 1. Answer: Option a: 5.

Problem 2. Answer: Option b: 50.7.

Problem 3. Answer: Option c: 150.

Problem 4. Answer: Option d: 8 kg.

Problem 5. Answer: Option a: 100.

Problem 6. Answer: Option c: 410.

Problem 7. Answer: Option b: 18.

Problem 8. Answer: Option d: 77.

Problem 9. Answer: Option a: 4.6.

Problem 10. Answer: Option b: 149.5.

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Average problems for SSC CGL

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SSC CGL Tier II level Question Set 27, Average 1